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| Behavior Development | 1 |
| Environmental Influences | 1 |
| Genetics | 1 |
| Heredity | 1 |
| Intelligence Differences | 1 |
| Scientific Research | 1 |
| Twins | 1 |
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| Science | 1 |
Author
| Rose, Richard J. | 1 |
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| Journal Articles | 1 |
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Peer reviewedRose, Richard J.; And Others – Science, 1979
Data are presented from families of monozygotic twin pairs which give evidence of genetic variance on the Block Design Test, a nonverbal measure of intelligence. Analyses of genetic and environmental effects on behavior are possible with this kind of information. (SA)
Descriptors: Behavior Development, Environmental Influences, Genetics, Heredity
